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Note 14 - Stockholders' Equity (Detail) - Summary of 2001 Plan for restricted stock grants: (USD $) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2009 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Shares awarded to each non-employee director | 9.70 | 30,930 | 20,508 | 25,176
Average grant-date market price per share (in Dollars per share) |  | $ 9.70 | $ 14.46 | $ 15.89
Total compensation cost attributable to shares awarded (in Dollars) |  | $ 300,000 | $ 297,000 | $ 400,000
Compensation cost recognized related to current and prior year awards (in Dollars) |  | $ 283,333 | $ 194,667 | $ 283,333
Non-Employee Director [Member] |  |  |  |
Shares awarded to each non-employee director |  | 5,155 | 3,418 | 3,147

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